package com.itheima.controllor;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.utils.DateUtils;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import service.ReportService;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * 统计报表
 */
@RestController
@RequestMapping("/report")
public class ReportControllor {

    @Reference
    private ReportService reportService;

    //会员数量报表指定时间段展示
    @RequestMapping("/getMemberReport")
    public Result getMemberReport(@RequestBody Map map){
        try {
            List<String> list = null;
            String startDay = (String) map.get("startDay");
            String endDay = (String) map.get("endDay");

            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");

            /*初始条件下的月份集合listInit*/
            Calendar calendar = Calendar.getInstance();
            calendar.add(Calendar.MONTH,-12);
            List<String> listInit = new ArrayList<>();
            for(int i=0;i<12;i++) {
                calendar.add(Calendar.MONTH, 1);
                listInit.add(new SimpleDateFormat("yyyy-MM").format(calendar.getTime()));
            }

            if (startDay.length()>0 && endDay.length()>0){
                Date start = sdf.parse(startDay);
                Date end = sdf.parse(endDay);

                /*开始日历月份加一*/
                Calendar calendarStart = Calendar.getInstance();
                calendarStart.setTime(start);
                calendarStart.add(Calendar.MONTH,1);
                start = calendarStart.getTime();
                startDay = sdf.format(start);

                /*结束日历月份加一*/
                Calendar calendarEnd = Calendar.getInstance();
                calendarEnd.setTime(end);
                calendarEnd.add(Calendar.MONTH,1);
                end = calendarEnd.getTime();
                endDay = sdf.format(end);

                list = DateUtils.getMonthBetween(startDay, endDay, "yyyy-MM");
            }else if (startDay.length()>0 && endDay.length()<=0){
                Date start = sdf.parse(startDay);

                /*开始日历月份加一*/
                Calendar calendarStart = Calendar.getInstance();
                calendarStart.setTime(start);
                calendarStart.add(Calendar.MONTH,1);
                start = calendarStart.getTime();
                startDay = sdf.format(start);

                /*结束日历为当前*/
                Calendar calendarEnd = Calendar.getInstance();
                Date date = calendarEnd.getTime();
                endDay = DateUtils.parseDate2String(date);
                list = DateUtils.getMonthBetween(startDay, endDay, "yyyy-MM");
            }else if (startDay.length()<=0 && endDay.length()>0){
                Date start = null;
                Date end = sdf.parse(endDay);

                /*结束日历为选定日期（月份加一）*/
                Calendar calendarEnd = Calendar.getInstance();
                calendarEnd.setTime(end);
                calendarEnd.add(Calendar.MONTH,1);
                end = calendarEnd.getTime();
                endDay = sdf.format(end);

                /*开始日历为往前减12个月*/
                Calendar calendarStart = Calendar.getInstance();
                calendarEnd.add(Calendar.MONTH, -12);
                calendarStart = calendarEnd;
                start = calendarStart.getTime();
                startDay = sdf.format(start);

                list = DateUtils.getMonthBetween(startDay, endDay, "yyyy-MM");
            }else {
                list = listInit;
            }


            Map result = new HashMap();
            result.put("months",list);

            List<Integer> memberCount = reportService.getMemberCountByMonth(list);
            result.put("memberCount", memberCount);

            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,result);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }


    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport(){
        HashMap<String,List> hm = new HashMap();

        try {
            List<Map<String,Object>> setmealCount= reportService.findSetmealCount();
            ArrayList<String> setmealNames = new ArrayList();
            for (Map<String, Object> map : setmealCount) {
                String setmealName = (String) map.get("name");
                setmealNames.add(setmealName);
            }

            hm.put("setmealNames", setmealNames);
            hm.put("setmealCount", setmealCount);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL,null);
        }
        return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,hm);


    }


    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData(){
        HashMap<String,Object> hm = new HashMap();
        try {
            hm=reportService.getBusinessReportData();
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL,null);
        }
        return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,hm);

    }


    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response) {

        try {
            //远程调用报表服务获取报表数据
            Map<String, Object> result = reportService.getBusinessReportData();

            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //获得Excel模板文件绝对路径
            String temlateRealPath = request.getSession().getServletContext().getRealPath("template") +
                    File.separator + "report_template.xlsx";

            //读取模板文件创建Excel表格对象
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(temlateRealPath)));
            XSSFSheet sheet = workbook.getSheetAt(0);
            //在模板上面设置数据
            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数


            int rowNum = 12;

            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //通过输出流进行文件下载
            ServletOutputStream out = response.getOutputStream();
            //设置返回内容的MIME类型 + 编码设置
            response.setContentType("application/vnd.ms-excel");
            //设置响应头 指示客户端下载文件, 告诉浏览器返回的是Excel文件,attachment
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");
            workbook.write(out);
            //释放资源
            out.flush();
            out.close();
            workbook.close();
            return null;


        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL,null);
        }

    }

    /**
     * @Description: 获取会员性别占比数据
     * @Param:
     * @return:
     * @Date: 16:24 2019/9/15
     */
    @RequestMapping(value = "/getSexRatePieReportData", method = RequestMethod.GET)
    public Result getSexRatePieReportData() {
        try {
            List list = reportService.getSexRatePieReportData();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, list);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }
    /**
     * @Description: 获取会员年龄段占比数据
     * @Param:
     * @return:
     * @Date: 16:24 2019/9/15
     */
    @RequestMapping(value = "/getAgeRatePieReportData", method = RequestMethod.GET)
    public Result getAgeRatePieReportData() {
        try {
            List list = reportService.getAgeRatePieReportData();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, list);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }


}


